If the MCI IP version >= 0x300, it supports hight speed mode
option, this patch enable it.
Signed-off-by: Bo Shen <voice.s...@atmel.com>
---
drivers/mmc/gen_atmel_mci.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
index 8778a4d..45bcffb 100644
--- a/drivers/mmc/gen_atmel_mci.c
+++ b/drivers/mmc/gen_atmel_mci.c
@@ -110,6 +110,9 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32
blklen)
if (version >= 0x200)
writel(MMCI_BF(BLKLEN, blklen), &mci->blkr);
+ if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS)
+ writel(MMCI_BIT(HSMODE), &mci->cfg);
+
initialized = 1;
}
@@ -404,8 +407,10 @@ int atmel_mci_init(void *regs)
/* need to be able to pass these in on a board by board basis */
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
version = atmel_mci_get_version(mci);
- if ((version & 0xf00) >= 0x300)
+ if ((version & 0xf00) >= 0x300) {
cfg->host_caps = MMC_MODE_8BIT;
+ cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;
+ }
cfg->host_caps |= MMC_MODE_4BIT;
--
1.8.5.2
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